| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] [adj] [noun] | 179 |
|
| 2 | [verb] been [prep] [adj] importance | 28 |
|
| 3 | have been [prep] [adj] importance | 28 |
|
| 4 | have [been] [prep] [adj] importance | 6 |
|
| 5 | have be [prep] [adj] importance | 6 |
|
| 6 | [vb base] been [prep] [adj] importance | 6 |
|
| 7 | have [be] [prep] [adj] importance | 6 |
|
| 8 | have been [prep] [adj] importance | 6 |
|
